#include<bits/stdc++.h>
using namespace std;
int n, a, cnt[100005], ans;
int main()
{
    freopen("duel.in", "r", stdin);
    freopen("duel.out", "w", stdout);
    scanf("%d", &n);
    for(int i = 1; i <= n; i++)
        scanf("%d", &a), cnt[a]++;
    for(int i = 1; i <= 100000; i++)
        ans = max(ans, cnt[i]);
    printf("%d", ans);
    return 0;
}
